Exercise machine



FIG. 1 is a front perspective view of an exercise machine showing my newdesign;

FIG. 2 is another perspective view thereof showing the design in analternate configuration with the elbow member removed;

FIG. 3 is another perspective view thereof in a second alternateconfiguration;

FIG. 4 is a front perspective view thereof in an open position;

FIG. 5 is a front perspective view thereof in a closed position;

FIG. 6 is a rear perspective view thereof; and

FIG. 7 is a side perspective view thereof.

The ornamental design for an exercise machine, as shown and described.